/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.rsqldb.parser.parser.namecreator;

import org.apache.rocketmq.streams.common.model.NameCreator;

public class ParserNameCreator {
    private static final String INNER_VAR_NAME_PREFIX = "___";

    /**
     * 创建内置名字，包含函数名，参数名等信息
     *
     * @param functionName
     * @param names
     * @return
     */
    public static String createName(String functionName, String... names) {
        if (names == null || names.length == 0) {
            return NameCreator.createNewName(INNER_VAR_NAME_PREFIX, functionName);
        }
        String[] values = new String[names.length + 2];
        values[0] = INNER_VAR_NAME_PREFIX;
        values[1] = functionName;
        for (int i = 2; i < values.length; i++) {
            values[i] = names[i - 2];
        }
        return NameCreator.createNewName(values);
    }
}
